| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 506.13 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 520.19 | USD | 20250919 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 618.6 | USD | 20250919 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 576.43 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 604.54 | USD | 20250919 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 506.13 | USD | 20250919 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 576.43 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 520.19 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 618.6 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 646.72 | USD | 20250919 |